O.vulgaris, O. hummelincki, O. defilippi, O.burryi, O.macropus, O. briareus, O. joubini, O.maya, O.zonatus, Euaxoctopus pillsburyae
I got this list from:
Hanlon, R.T. 1988. Behavioral and body patterning characters useful in taxonomy and field identifications of cephalopods. Malacologia 29(1): 247-264
If you have a university library nearby, it's worth having a look.